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<div class="title">results_bucket.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef _RESULTS_BUCKET_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _RESULTS_BUCKET_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;boost/iostreams/device/mapped_file.hpp&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="keyword">namespace </span>resultsDB</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;{</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define DBIDX_FILENAME          &quot;db.idx&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define DB_PATH                 &quot;resultsdb/&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define FILE_SZ                 (1024*10)   </span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MAX_ENTRIES             20</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="classresultsDB_1_1cResultsBucket.html">   20</a></span>&#160;<span class="keyword">class </span><a class="code" href="classresultsDB_1_1cResultsBucket.html">cResultsBucket</a></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;{</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classresultsDB_1_1cResultsBucket.html#a959c37146bc088b2d8d69d51c63ae227">cResultsBucket</a>(std::size_t code);</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    ~<a class="code" href="classresultsDB_1_1cResultsBucket.html">cResultsBucket</a>();</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keywordtype">bool</span> GetResult(<span class="keyword">const</span> std::size_t hash, <span class="keyword">const</span> std::string &amp;params, std::string&amp; result)<span class="keyword">const</span>;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> GetIndexBitsSz()<span class="keyword">const</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        <span class="keywordflow">return</span> m_IndexBitsSz;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    };</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <span class="keyword">const</span> std::size_t GetCode()<span class="keyword">const</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keywordflow">return</span> m_Code;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    };</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    std::unique_ptr&lt;cResultsBucket&gt; <a class="code" href="classresultsDB_1_1cResultsBucket.html#a280d00036ff59351e330b14eec2a070f">SaveResult</a>(<span class="keyword">const</span> std::size_t hash, <span class="keyword">const</span> std::string &amp;params, <span class="keyword">const</span> std::string&amp; result);</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="keyword">private</span>:    <span class="comment">//too large to copy </span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <a class="code" href="classresultsDB_1_1cResultsBucket.html#a959c37146bc088b2d8d69d51c63ae227">cResultsBucket</a>(<span class="keyword">const</span> <a class="code" href="classresultsDB_1_1cResultsBucket.html">cResultsBucket</a>&amp;);</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <a class="code" href="classresultsDB_1_1cResultsBucket.html">cResultsBucket</a>&amp; <a class="code" href="classresultsDB_1_1cResultsBucket.html#afff806e1e24a90c60174893b0288307f">operator=</a>(<span class="keyword">const</span> <a class="code" href="classresultsDB_1_1cResultsBucket.html">cResultsBucket</a>&amp;);    </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    std::unique_ptr&lt;cResultsBucket&gt; Split();</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keywordtype">bool</span> GetIndexBit(<span class="keyword">const</span> std::size_t hash)<span class="keyword">const</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        assert(m_IndexBitsSz &gt; 0);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <span class="keywordflow">return</span> hash &amp; (1 &lt;&lt; (m_IndexBitsSz-1));</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    };</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    std::size_t GetFirstBits(<span class="keyword">const</span> std::size_t hash)<span class="keyword">const</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        assert(m_IndexBitsSz &gt; 0);</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        <span class="keywordflow">return</span> hash &amp; ((1 &lt;&lt; m_IndexBitsSz) -1);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    };</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    std::size_t m_Code;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    boost::iostreams::mapped_file m_MappedFile;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> m_IndexBitsSz;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    std::size_t m_End;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="structresultsDB_1_1cResultsBucket_1_1bucket__header__entry.html">   74</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structresultsDB_1_1cResultsBucket_1_1bucket__header__entry.html">bucket_header_entry</a></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        std::size_t hash;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        std::size_t offset;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        std::size_t length;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    };</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keyword">struct </span><a class="code" href="structresultsDB_1_1cResultsBucket_1_1bucket__header__entry.html">bucket_header_entry</a> *m_HeaderEntry;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    std::size_t m_Entries;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;};</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;}</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div>
<div class="ttc" id="structresultsDB_1_1cResultsBucket_1_1bucket__header__entry_html"><div class="ttname"><a href="structresultsDB_1_1cResultsBucket_1_1bucket__header__entry.html">resultsDB::cResultsBucket::bucket_header_entry</a></div><div class="ttdef"><b>Definition:</b> results_bucket.h:74</div></div>
<div class="ttc" id="classresultsDB_1_1cResultsBucket_html"><div class="ttname"><a href="classresultsDB_1_1cResultsBucket.html">resultsDB::cResultsBucket</a></div><div class="ttdef"><b>Definition:</b> results_bucket.h:20</div></div>
<div class="ttc" id="classresultsDB_1_1cResultsBucket_html_afff806e1e24a90c60174893b0288307f"><div class="ttname"><a href="classresultsDB_1_1cResultsBucket.html#afff806e1e24a90c60174893b0288307f">resultsDB::cResultsBucket::operator=</a></div><div class="ttdeci">cResultsBucket &amp; operator=(const cResultsBucket &amp;)</div><div class="ttdoc">!!!only used internally - keeps the same filename and copy only the contents </div><div class="ttdef"><b>Definition:</b> results_bucket.cpp:141</div></div>
<div class="ttc" id="classresultsDB_1_1cResultsBucket_html_a280d00036ff59351e330b14eec2a070f"><div class="ttname"><a href="classresultsDB_1_1cResultsBucket.html#a280d00036ff59351e330b14eec2a070f">resultsDB::cResultsBucket::SaveResult</a></div><div class="ttdeci">std::unique_ptr&lt; cResultsBucket &gt; SaveResult(const std::size_t hash, const std::string &amp;params, const std::string &amp;result)</div><div class="ttdef"><b>Definition:</b> results_bucket.cpp:81</div></div>
<div class="ttc" id="classresultsDB_1_1cResultsBucket_html_a959c37146bc088b2d8d69d51c63ae227"><div class="ttname"><a href="classresultsDB_1_1cResultsBucket.html#a959c37146bc088b2d8d69d51c63ae227">resultsDB::cResultsBucket::cResultsBucket</a></div><div class="ttdeci">cResultsBucket(std::size_t code)</div><div class="ttdef"><b>Definition:</b> results_bucket.cpp:15</div></div>
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